1930009018 has 32 divisors (see below), whose sum is σ = 3490467840. Its totient is φ = 781870320.

The previous prime is 1930008919. The next prime is 1930009021. The reversal of 1930009018 is 8109000391.

It is a super-2 number, since 2×1930009018² = 7449869619122648648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115323 + ... + 130993.

It is an arithmetic number, because the mean of its divisors is an integer number (109077120).

Almost surely, 2^1930009018 is an apocalyptic number.

1930009018 is a deficient number, since it is larger than the sum of its proper divisors (1560458822).

1930009018 is a wasteful number, since it uses less digits than its factorization.

1930009018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16162.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 1930009018 is about 43931.8679092979. The cubic root of 1930009018 is about 1245.0490065278.

The spelling of 1930009018 in words is "one billion, nine hundred thirty million, nine thousand, eighteen".